Rotom-Wash @ Leftovers  
Ability: Levitate  
Tera Type: Electric  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Hydro Pump  
- Volt Switch  
- Will-O-Wisp  
- Pain Split  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
Tera Type: Rock  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Protect  
- Moonblast  
- Earth Power  
- Mystical Fire  

Genesect @ Choice Scarf  
Ability: Download  
Shiny: Yes  
Tera Type: Bug  
EVs: 252 Atk / 4 SpA / 252 Spe  
Lonely Nature  
- U-turn  
- Iron Head  
- Extreme Speed  
- Blaze Kick  

Ceruledge @ Heavy-Duty Boots  
Ability: Weak Armor  
Tera Type: Fire  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Swords Dance  
- Bitter Blade  
- Poltergeist  
- Shadow Sneak  

Garchomp @ Rocky Helmet  
Ability: Rough Skin  
Tera Type: Dragon  
EVs: 248 HP / 252 Def / 8 Spe  
Impish Nature  
- Earthquake  
- Stealth Rock  
- Spikes  
- Dragon Tail  

Latios (M) @ Choice Scarf  
Ability: Levitate  
Tera Type: Dragon  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Trick  
- Draco Meteor  
- Luster Purge  
- Defog